package com.atguigu.eduservice.controller;


import com.atguigu.commonutils.R;
import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.vo.CourseInfoVo;
import com.atguigu.eduservice.entity.vo.CoursePublishVo;
import com.atguigu.eduservice.entity.vo.CourseQuery;
import com.atguigu.eduservice.service.EduCourseService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author lwh
 * @since 2021-11-04
 */
@Api(description="课程管理")
@RestController
@RequestMapping("/eduservice/course")
@CrossOrigin
public class EduCourseController {

    @Autowired
    private EduCourseService courseService;


    //课程列表 基本实现
    //TODO  完善条件查询带分页
    @GetMapping
    public R getCourseList() {
        List<EduCourse> list = courseService.list(null);
        return R.ok().data("list",list);
    }



    //课程列表 基本实现
    //TODO  完善条件查询带分页 (2021-12-14进行完善）
    //4 条件查询带分页的方法，加上 @RequestBody(required = false) ，请求方式必须改为,里面的参数可以为空，加上required = false
    @ApiOperation(value = "模糊查询分页讲师列表")
    @PostMapping("pageCourseCondition/{current}/{limit}")
    public R pageCourseCondition(@PathVariable long current,@PathVariable long limit,
                           @RequestBody(required = false) CourseQuery courseQuery) {

        Page<EduCourse> coursePage = new Page<>(current, limit);

        //构建条件
        QueryWrapper<EduCourse> wrapper = new QueryWrapper<>();

        if(!StringUtils.isEmpty(courseQuery.getTitle())){
            wrapper.like("title",courseQuery.getTitle());
        }
        if(!StringUtils.isEmpty(courseQuery.getStatus())){
            wrapper.eq("status",courseQuery.getStatus());
        }

        wrapper.orderByDesc("gmt_create");
        courseService.page(coursePage,wrapper);
        long total = coursePage.getTotal();
        List<EduCourse> records = coursePage.getRecords(); //数据list集合

        return R.ok().data("total",total).data("rows",records);
    }


        //添加课程基本信息的方法
    @ApiOperation(value = "添加课程基本信息")
    @PostMapping("addCourseInfo")
    public R addCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        //返回添加之后课程id，为了后面添加大纲使用
        String id = courseService.saveCourseInfo(courseInfoVo);
        return R.ok().data("courseId",id);
    }


    //根据课程id查询课程基本信息
    @GetMapping("getCourseInfo/{courseId}")
    public R getCourseInfo(@PathVariable String courseId) {
        CourseInfoVo courseInfoVo = courseService.getCourseInfo(courseId);
        return R.ok().data("courseInfoVo",courseInfoVo);
    }

    //修改课程信息
    @PostMapping("updateCourseInfo")
    public R updateCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        courseService.updateCourseInfo(courseInfoVo);
        return R.ok();
    }

    //根据课程id查询课程确认信息
    @GetMapping("getPublishCourseInfo/{id}")
    public R getPublishCourseInfo(@PathVariable String id) {
        CoursePublishVo coursePublishVo = courseService.publishCourseInfo(id);
        return R.ok().data("publishCourse",coursePublishVo);
    }

    //课程最终发布
    //修改课程状态
    @PostMapping("publishCourse/{id}")
    public R publishCourse(@PathVariable String id) {
        EduCourse eduCourse = new EduCourse();
        eduCourse.setId(id);
        eduCourse.setStatus("Normal");//设置课程发布状态
        courseService.updateById(eduCourse);
        return R.ok();
    }

    //删除课程
    @DeleteMapping("{courseId}")
    public R deleteCourse(@PathVariable String courseId) {
        courseService.removeCourse(courseId);
        return R.ok();
    }



}

